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Old 03-14-2019, 08:06 PM   #15
Ryan_S
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Join Date: Mar 2019
Location: Colorado
Posts: 20
Re: Fuel tank selector valve

Quote:
Originally Posted by hatzie View Post
The motorized valve requires replacing the switch, valve, and NL2 sub-harness.
The 73-80 switch is completely different from the 81-91 switch.
The NL2 sub harness sender connection is on the RH frame rail just forward of the valve.

If you have weatherpak terminal crimping tools you can do it yourself.
Your other option is to buy a complete 81-91 dual tank sub-harness.

This is the theory of operation thread I posted... Post 1 is the early 73-80 systems post 2 is the 81-91 systems.
http://67-72chevytrucks.com/vboard/s...d.php?t=754061
This is great information. Thank you for posting it and the link. It will be immensely helpful when I tackle my fuel tanks.
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